Compilare: main.cpp: In function 'void query(int, int, int, int)': main.cpp:54:12: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare] 54 | while (j < aint[nod][1].size() && aint[nod][1][j].first < p[i].first) { | ~~^~~~~~~~~~~~~~~~~~~~~ main.cpp: In function 'int main()': main.cpp:91:19: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses] 91 | if (p[i].first < p[j].first < p[i].second < p[j].second || | ~~~~~~~~~~~^~~~~~~~~~~~ main.cpp:91:32: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses] 91 | if (p[i].first < p[j].first < p[i].second < p[j].second || | ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~ main.cpp:92:17: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses] 92 | p[j].first < p[i].first < p[j].second < p[i].second) { | ~~~~~~~~~~~^~~~~~~~~~~~ main.cpp:92:30: warning: comparisons like 'X<=Y<=Z' do not have their mathematical meaning [-Wparentheses] 92 | p[j].first < p[i].first < p[j].second < p[i].second) { | ~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~